To answer the question regarding the phrase "technological trajectory traversed by man," it's essential to comprehend the context provided in the comprehension passage.
The passage highlights the significant advancements in technology that mankind has achieved over time. It compares the evolution of communication and transport (from pigeon mail to email) and compares it to notable scientific advances such as the biotechnological revolution. It also refers to other technological innovations like bimolecular motors and technologies that surpass earlier capacities of human endeavors.
Here is the reasoning for selecting the correct answer:
The other options can be ruled out based on the context:
Therefore, the phrase "technological trajectory traversed by man" is best summarized by the option "Man has progressed stupendously," emphasizing the great strides humanity has taken in advancing technology.
The question asks why the writer compares Noah's Ark and the biotechnological revolution with the technological trajectory traversed by man. To answer this, we must analyze the context provided in the comprehension passage.
The phrase "dreams are multi-hued today" comes from a passage that discusses the advancements in technology and human aspirations. Let's analyze the context and the meaning to determine the correct answer.
Considering these points, the phrase implies that dreams (or ambitions and aspirations) now come in various forms and possibilities due to the scope of technological and intellectual advancements.
Thus, the correct answer is: They are of various colors, which metaphorically represents the wide range of opportunities and dreams that can now be realized.
Let's evaluate why the other options are incorrect:
Therefore, the most accurate interpretation is that "multi-hued" reflects the variety, leading to the conclusion that "They are of various colors" is the correct answer.
The question asks about the purpose of metal propellers as mentioned in a specific comprehension passage. To answer this, let's break down the relevant part of the passage:
The passage discusses advancements in technology, specifically focusing on biotechnological progresses.
It mentions the development of bimolecular motors with tiny metal propellers that can navigate inside our cells.
The primary purpose of these metal propellers, as specified, is to "reach inside our cells and probe their secrets," which highlights their biomedical applications and potential to advance understanding of cellular processes.
Considering the options given:
In conclusion, the correct answer is that the purpose of metal propellers is to reach inside our cells, as this is explicitly stated in the comprehension passage.
The question asks us to identify the statement that is not true according to the given passage. Let's analyze each statement with respect to the passage:
Conclusion: The statement that is not true according to the passage is: "Natural disasters propel us to work harder."
Write any four problems faced by the animals that thrive in forests and oceans: 
Verbal to Non-Verbal:
A stain is an unwanted mark of discolouration on a fabric caused due to contact with another substance which cannot be removed by the normal washing process. Stains can be grouped on the basis of their origin, e.g. tea, coffee and fruits come from vegetable source. Stains from shoe polish, tar, oil paints come under grease stains. Animal stains comprise of stains formed by milk, blood and eggs, whereas marks on your clothes after sitting on an iron bench are those of rust and come under mineral stains. Then there are stains that are formed due to dye, into perspiration which can be categorised under miscellaneous stains. Read the given passage and complete the table. Suggest a suitable title. 

If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?
A shopkeeper marks his goods 40% above cost price and offers a 10% discount. What is his percentage profit?